Enable shared runners for all new projects

CHANGELOG

@@ -14,6 +14,7 @@ v 8.2.0 (unreleased)
   - Use git follow flag for commits page when retrieve history for file or directory
   - Show merge request CI status on merge requests index page
   - Extend yml syntax for only and except to support specifying repository path
+  - Enable shared runners to all new projects
   - Fix: 500 error returned if destroy request without HTTP referer (Kazuki Shimizu)
   - Remove deprecated CI events from project settings page
   - Use issue editor as cross reference comment author when issue is edited with a new mention.

app/controllers/admin/application_settings_controller.rb

@@ -57,6 +57,7 @@ class Admin::ApplicationSettingsController < Admin::ApplicationController
       :version_check_enabled,
       :admin_notification_email,
       :user_oauth_applications,
+      :shared_runners_enabled,
       restricted_visibility_levels: [],
       import_sources: []
     )

app/models/application_setting.rb

@@ -87,7 +87,8 @@ class ApplicationSetting < ActiveRecord::Base
       default_project_visibility: Settings.gitlab.default_projects_features['visibility_level'],
       default_snippet_visibility: Settings.gitlab.default_projects_features['visibility_level'],
       restricted_signup_domains: Settings.gitlab['restricted_signup_domains'],
-      import_sources: ['github','bitbucket','gitlab','gitorious','google_code','fogbugz','git']
+      import_sources: ['github','bitbucket','gitlab','gitorious','google_code','fogbugz','git'],
+      shared_runners_enabled: Settings.gitlab_ci['shared_runners_enabled'],
     )
   end
 

app/models/project.rb

@@ -37,6 +37,7 @@ class Project < ActiveRecord::Base
   include Gitlab::ConfigHelper
   include Gitlab::ShellAdapter
   include Gitlab::VisibilityLevel
+  include Gitlab::CurrentSettings
   include Referable
   include Sortable
   include AfterCommitQueue
@@ -775,7 +776,9 @@ class Project < ActiveRecord::Base
   end
 
   def ensure_gitlab_ci_project
-    gitlab_ci_project || create_gitlab_ci_project
+    gitlab_ci_project || create_gitlab_ci_project(
+      shared_runners_enabled: current_application_settings.shared_runners_enabled
+    )
   end
 
   def enable_ci

app/views/admin/application_settings/_form.html.haml

@@ -130,5 +130,14 @@
         = f.text_area :help_page_text, class: 'form-control', rows: 4
         .help-block Markdown enabled
 
+  %fieldset
+    %legend Continuous Integration
+    .form-group
+      .col-sm-offset-2.col-sm-10
+        .checkbox
+          = f.label :shared_runners_enabled do
+            = f.check_box :shared_runners_enabled
+            Enable shared runners for a new projects
+
   .form-actions
     = f.submit 'Save', class: 'btn btn-primary'

config/initializers/1_settings.rb

@@ -181,10 +181,11 @@ Settings.gitlab['import_sources'] ||= ['github','bitbucket','gitlab','gitorious'
 # CI
 #
 Settings['gitlab_ci'] ||= Settingslogic.new({})
-Settings.gitlab_ci['all_broken_builds']   = true if Settings.gitlab_ci['all_broken_builds'].nil?
-Settings.gitlab_ci['add_pusher']          = false if Settings.gitlab_ci['add_pusher'].nil?
-Settings.gitlab_ci['url']                 ||= Settings.send(:build_gitlab_ci_url)
-Settings.gitlab_ci['builds_path']         = File.expand_path(Settings.gitlab_ci['builds_path'] || "builds/", Rails.root)
+Settings.gitlab_ci['shared_runners_enabled'] = true if Settings.gitlab_ci['shared_runners_enabled'].nil?
+Settings.gitlab_ci['all_broken_builds']     = true if Settings.gitlab_ci['all_broken_builds'].nil?
+Settings.gitlab_ci['add_pusher']            = false if Settings.gitlab_ci['add_pusher'].nil?
+Settings.gitlab_ci['url']                   ||= Settings.send(:build_gitlab_ci_url)
+Settings.gitlab_ci['builds_path']           = File.expand_path(Settings.gitlab_ci['builds_path'] || "builds/", Rails.root)
 
 #
 # Reply by email

db/migrate/20151103133339_add_shared_runners_setting.rb

+class AddSharedRunnersSetting < ActiveRecord::Migration
+  def up
+    add_column :application_settings, :shared_runners_enabled, :boolean, default: true, null: false
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20151103001141) do
+ActiveRecord::Schema.define(version: 20151103133339) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -47,6 +47,7 @@ ActiveRecord::Schema.define(version: 20151103001141) do
     t.text     "import_sources"
     t.text     "help_page_text"
     t.string   "admin_notification_email"
+    t.boolean  "shared_runners_enabled",       default: true,  null: false
   end
 
   create_table "audit_events", force: true do |t|

lib/gitlab/current_settings.rb

@@ -23,7 +23,8 @@ module Gitlab
         restricted_visibility_levels: Settings.gitlab['restricted_visibility_levels'],
         max_attachment_size: Settings.gitlab['max_attachment_size'],
         session_expire_delay: Settings.gitlab['session_expire_delay'],
-        import_sources: Settings.gitlab['import_sources']
+        import_sources: Settings.gitlab['import_sources'],
+        shared_runners_enabled: Settings.gitlab_ci['shared_runners_enabled'],
       )
     end